What is the worst/most frustrating rim and tire combo you've dealt with?
I just destroyed mine.
Sun cr18 rims with Vittoria Randonneur(the cheap slow ones) 32mm tires.
These things were a beast to mount and even a shop couldnt seat them without a slight flat spot. Everything from talc powder to soap to wd40 was tried.
I am selling the bike they were on and...